hey, dana, great to see you. >> me, too. this has gone so fast. i'm dana bash in d.c. on christmas morning. thanks for joining us. >>> our top story we're watching right now with this dangerous winter storm that's going across the country making travel very hazardous and a new video we have of a major pile-up that's shut down part of i-40 in oklahoma involving at least 20 vehicles including three big-rigs, one of which overturned. the patrol has shut down interstate for two miles. we have a trooper, spokesperson for the oklahoma highway patrol. what can you tell us, betsy, about where things stand. this sounds like a horrific crash. >> good morning, dana. it has been a horrific crash. we know several people were injured and transported from the scene to local hospitals. we don't know the number of injured or we know it's not any fatalities but we know we did have some injured and transported from the scene. like you said, the crash occurred about 3:00 this morning. we had some precipitation that fell and then froze on the roadways and as you can see that's an overpass